"Separate descriptions of the three mount Everest expeditions have already been written by those who took part in them, and have been published in the three books, mount Everest: the reconnaissance, 1921; The asault on mount Everest, 1922; and The fight for Everest, 1924. The present volume purports to be a condensed description of the three expeditions. It is ... based on the above-named publications."--Pref.